<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>商品管理</el-breadcrumb-item>
			<el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card>
      <!-- 搜索功能 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList">
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList">
            </el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addGoodsPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 商品列表区域 -->
      <el-table
        :data="goodsList"
        stripe
        border>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="110px"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="80px"></el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="190px">
          <template v-slot="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="140px">
          <template v-slot="scope">
            <!-- 编辑按钮 -->
            <el-button 
              type="primary" 
              icon="el-icon-edit" 
              size="mini">
            </el-button>
            <!-- 删除按钮 -->
            <el-button 
              type="danger" 
              icon="el-icon-delete" 
              size="mini"
              @click="deleteBtn(scope.row)">
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="goodsSizeChange"
        @current-change="goodsCurrentChange"
        :current-page="queryInfo.pagenum.number"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name:'Goods',
  data() {
    return {     
      queryInfo:{
        query:'',
        pagenum: 1,
        pagesize: 5,       
      },
      total: 0,
      goodsList:[],
    }
  },
  created(){
    this.getGoodsList()
  },
  methods: {
    async getGoodsList(){
      const {data:res} = await this.$http.get('goods',{params: this.queryInfo})
      //console.log(res)
      if(res.meta.status !== 200) return this.$message.error('获取商品列表失败')
      this.queryInfo.pagenum = res.data.pagenum
      this.total = res.data.total
      this.goodsList = res.data.goods
    },
    // pagesize变化时触发此函数
    goodsSizeChange(value){
      this.queryInfo.pagesize = value
      this.getGoodsList()
    },
    // pagenum变化时触发此函数
    goodsCurrentChange(value){
      this.queryInfo.pagenum = value
      this.getGoodsList()
    },
    // 删除商品
    async deleteBtn(row){
      const result = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if(result !== 'confirm') return this.$message.info('已取消删除')
      const {data:res} = await this.$http.delete('goods/' + row.goods_id)
      console.log(res)
      if(res.meta.status !== 200) return this.$message.error('删除商品失败')
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    // 添加商品
    addGoodsPage(){
      this.$router.push('goods/add')
    },
  }
}
</script>

<style lang="less" scoped>
div /deep/ .el-card{
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
  margin-top: 15px;

  .el-table{
    margin: 15px 0;
  }
}
</style>